NPPES file of Aug 9, 2026

Stephen Peter Dempsey

Specialist · San Francisco, CA

Stephen Peter Dempsey is a specialist with a practice address in San Francisco, California, and NPI 1124580089, issued on Apr 1, 2019. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124580089
Name
Stephen Peter Dempsey
Primary taxonomy
Specialist 174400000X
Practice location
375 Laguna Honda Blvd, San Francisco, CA 94116
Phone
(415) 255-3755
Enumerated
Apr 1, 2019
Record last updated
Apr 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 375 Laguna Honda Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shahab Aghamir, MDInternal Medicine Physician1275778243
  2. Martin Albion, MDInternal Medicine Physician1548397896
  3. Lucy Andrade, MS, CCC SLPSpeech-Language Pathologist1194854984
  4. Josephine Angcay, PTPhysical Therapist1255462362
  5. Fatima Ascano-Martin, DNP, RN, GCNS-BCMedical-Surgical Clinical Nurse Specialist1710205158
  6. Lai Lai Aung, M.DInternal Medicine Physician1396945127

Verify Stephen Peter Dempsey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Stephen Peter Dempsey among 5,749 specialist records in California

Stephen Peter Dempsey is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 14% newer
  • In a Medicare fileNo · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2019 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

666 specialist records list a practice address in San Francisco

They are 666 of the 38,143 NPPES records with a practice address in San Francisco, and 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 specialist records with the nearest ZIP codes

  1. Jason BartosavageSan Francisco, CA 941161053832204
  2. Michael BruceSan Francisco, CA 941161710110333
  3. Deborah CallejaSan Francisco, CA 941161144769647
  4. Melissa GreenSan Francisco, CA 941161194044362
  5. Eric JueSan Francisco, CA 941161801115001
  6. David LoSan Francisco, CA 941161164844965
  7. Maria Josephine MontemayorSan Francisco, CA 941161194101881
  8. Aoibhin Ni DhubhaunSan Francisco, CA 941161114559788

Common questions

What is Stephen Peter Dempsey's NPI number?

Stephen Peter Dempsey's National Provider Identifier (NPI) is 1124580089, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Peter Dempsey located?

The NPPES record lists a practice address at 375 Laguna Honda Blvd, San Francisco, CA, 94116. Phone: (415) 255-3755. Providers update this record themselves, so call before visiting.

How can I verify Stephen Peter Dempsey's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.